1216287680

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2486

約数の個数: 112

約数和(自身を含む): 3045012960

約数和(自身を除く): 1828725280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 148, 160, 172, 185, 215, 296, 320, 344, 370, 430, 592, 688, 740, 860, 1184, 1376, 1480, 1591, 1720, 2368, 2389, 2752, 2960, 3182, 3440, 4778, 5920, 6364, 6880, 7955, 9556, 11840, 11945, 12728, 13760, 15910, 19112, 23890, 25456, 31820, 38224, 47780, 50912, 63640, 76448, 88393, 95560, 101824, 102727, 127280, 152896, 176786, 191120, 205454, 254560, 353572, 382240, 410908, 441965, 509120, 513635, 707144, 764480, 821816, 883930, 1027270, 1414288, 1643632, 1767860, 2054540, 2828576, 3287264, 3535720, 3800899, 4109080, 5657152, 6574528, 7071440, 7601798, 8218160, 14142880, 15203596, 16436320, 19004495, 28285760, 30407192, 32872640, 38008990, 60814384, 76017980, 121628768, 152035960, 243257536, 304071920, 608143840, 1216287680]

約数ペア:

[(1, 1216287680), (2, 608143840), (4, 304071920), (5, 243257536), (8, 152035960), (10, 121628768), (16, 76017980), (20, 60814384), (32, 38008990), (37, 32872640), (40, 30407192), (43, 28285760), (64, 19004495), (74, 16436320), (80, 15203596), (86, 14142880), (148, 8218160), (160, 7601798), (172, 7071440), (185, 6574528), (215, 5657152), (296, 4109080), (320, 3800899), (344, 3535720), (370, 3287264), (430, 2828576), (592, 2054540), (688, 1767860), (740, 1643632), (860, 1414288), (1184, 1027270), (1376, 883930), (1480, 821816), (1591, 764480), (1720, 707144), (2368, 513635), (2389, 509120), (2752, 441965), (2960, 410908), (3182, 382240), (3440, 353572), (4778, 254560), (5920, 205454), (6364, 191120), (6880, 176786), (7955, 152896), (9556, 127280), (11840, 102727), (11945, 101824), (12728, 95560), (13760, 88393), (15910, 76448), (19112, 63640), (23890, 50912), (25456, 47780), (31820, 38224)]